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Since Silicon Valley, has, in recent years, become a very social place, boasting a variety of events, this organization was established to ensure that one’s message is expressed accurately and impressively. It was discovered by the creators of this website, that there is a limited attention span...

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The scene occurs in a humble neighborhood in a populous city of any Latin American country: a lady returns from their workplaces in the field and sees with horror as the flames consume her home. She cares the most because it is on the verge of losing everything you have meaning in your life and is not...

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Thesauruses for documentation are a tool of terminological control, since the structure of the thesaurus is based on concepts, but the concepts are represented by lexicalizaciones or selected by terms. The terminological control seeks to neutralise synonymy and polysemy, both natural language, traits that hinder the accuracy of indexing and retrieval of information, both basic functions of thesauruses. 2.1. Filed under: Mining Company. The conceptual structure of the thesaurus structure conceptual thesauruses is not arbitrary in any sense, since that exist both manuals development of thesauri of long international career as international regulations that recommend structural elements to take into account. Manuals for international dissemination ratio is wide, however it is not possible to mention authors such as Soergel (1974), you Curras (1991), Slype (1991), (1992), Lancaster, (1992) Aitchinson Maniez (1993), whose manuals were and are working guidelines for numerous documentalists and specialists who are faced with the construction and use of thesauruses as tools of terminological control.

Thesauri standards most widespread are made in the environment of the ISO (International Organization for Standardization), and are the standard ISO 5964: 1985 Documentation Guidelines for the establishment and development of multilingual thesauri and standard ISO 2788: 1986 Documentation Guidelines for the establishment and development of monolingual thesauri. Jeffrey Hayzlett : the source for more info. The translation of both standards to the Spanish has been carried out by the AENOR (Asociacion Espanola de normalizacion y certificacion) and correspond to the norm UNE 50125: 1997 guidelines for the establishment and development of multilingual thesauri andthe standard UNE 50106: 1990 guidelines for the establishment and development of monolingual thesauri. Other regulations that are necessary consultation since they develop more elements than ISO standards are developed by NISO (National Information Standards Organization), institution that develops, maintains and publishes technical standards in the field of the management of information at the level of the United States of America. This institution is currently in the process of updating and revision of the technical standard thesauri ANSI/NISO Z39.19 2003 (Revision of Z39.. J. Darius Bikoff describes an additional similar source.